Home / 14,417.10-21,612.84-6,916.56

Finding the Fourth Proportional to 14,417.10, 21,612.84 and 6,916.56

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Solution

The fourth proportional to 14,417.10, 21,612.84 and 6,916.56 is: 10,368.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,417.10 : 21,612.84 = 6,916.56 : x
  2. Step 2: Convert to fraction form
    14,417.10/21,612.84 = 6,916.56/x
  3. Step 3: Cross multiply
    14,417.10x = 21,612.84 × 6,916.56
  4. Step 4: Simplify right side
    14,417.10x = 149,486,504.63
  5. Step 5: Solve for x
    x = 149,486,504.63/14,417.10
  6. Step 6: Final answer
    x = 10,368.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.